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Gear ratio

Discussion in 'Performance and Tuning' started by aramirez73, Oct 12, 2016.

  1. Oct 12, 2016 at 10:46 AM
    #1
    aramirez73

    aramirez73 [OP] The Ayatollah of Rock n Rolla!

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    Wanting to know for those who run tires 35s or higher... has anyone changed out their ring and pinion? is this really important or waste of money??? I jus picked up a 4wheelparts free mag n ther was a 2 page deal from G2 axle n gear I do run 35s so I wana know if it's good to do or a waste...anyone? anyone? Bueller? Bueller?
     
  2. Oct 12, 2016 at 11:03 AM
    #2
    sdhq_offroad

    sdhq_offroad New Member Vendor

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    Its not really needed when doing 35's, but if you are doing 37's I would highly recommend doing 4.88

    4.56 will give you the stock comparison ratio with 35's on the truck if you are really looking to get the low end torque back.
     
    TheBeast likes this.
  3. Oct 12, 2016 at 11:07 AM
    #3
    aramirez73

    aramirez73 [OP] The Ayatollah of Rock n Rolla!

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    What is on Tundra out from stock? I mean the build line
     
  4. Oct 12, 2016 at 11:37 AM
    #4
    sdhq_offroad

    sdhq_offroad New Member Vendor

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    I believe its 4.10's, 4.30 if you have the tow package. But if I'm wrong, someone please correct me.
     
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  5. Oct 12, 2016 at 11:38 AM
    #5
    TheBeast

    TheBeast Once you go black...

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    good info here
     
  6. Oct 12, 2016 at 11:44 AM
    #6
    dirtydeeds

    dirtydeeds New Member Vendor

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    almost all 5.7's come with 4.30's. They are offered with 4.10's but it's very rare that they're in a truck.

    That said, our 6th gear is very long. It's all but useless with tires bigger than stock.

    If you care about the way that your truck drives when on the highway, and get annoyed that it won't stay in 6th gear during the slightest incline, you will want to seriously consider 4.88's on any tire size besides stock.

    I run 33's with 4.88's, I've tried 35's and it sucks. Sluggish and non responsive. If I had to run 35's I'd run 5.14's, but unfortunately 5.14's don't exist for our trucks.

    Being that Nitro had the gonads to step up and be the first to come to market with 4.88's for our trucks I only sell Nitro (I can get G2, but prefer Nitro and Nitro is a better price).

    Give a call with anymore questions.

    Keith 760-877-4234
     
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  7. Oct 12, 2016 at 11:50 AM
    #7
    aramirez73

    aramirez73 [OP] The Ayatollah of Rock n Rolla!

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    Thanks Keith
     
  8. Oct 12, 2016 at 11:52 AM
    #8
    sdhq_offroad

    sdhq_offroad New Member Vendor

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    Second that on the Nitro gears. That is all we use for the Tundras.
     
  9. Oct 12, 2016 at 11:52 AM
    #9
    BlueFalconActual

    BlueFalconActual Field Day Inspector Extraordinaire

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    4.30 with the 5.7 and 3.91 with the 4.6. Im not sure what it is for the 5.7 without the tow package because the tow package is now standard on the 5.7.
     
  10. Oct 12, 2016 at 11:55 AM
    #10
    aramirez73

    aramirez73 [OP] The Ayatollah of Rock n Rolla!

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    Tow package being??? I'm all new to this fellas help me out here truck came this way bought it used it has the tow hitch is that all of TP???
     
  11. Oct 12, 2016 at 11:56 AM
    #11
    aramirez73

    aramirez73 [OP] The Ayatollah of Rock n Rolla!

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    So should I run 4.88s jus got off phone with G2 I need front n rear to b same
     
  12. Oct 12, 2016 at 12:00 PM
    #12
    sdhq_offroad

    sdhq_offroad New Member Vendor

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    If you are 4wd, then yes they need to be done at the same time. You will destroy your drive train if they are different.

    Obviously if you are 2wd, then you only have the rears.
     
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  13. Oct 27, 2016 at 7:39 AM
    #13
    davesnothere

    davesnothere New Member

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    Pro Comp stage 2 6" lift- 20" XD Rockstars- 35" pro comp a/t sport- Hypertech Interceptor- 7" BA Muffler- 4.88 Yukon gears
    I saw the same ad, as far as I can tell the only difference is price between G2(700ish) and Nitro(1200ish). Both are made from 8620 steel and made in South Korea. With the extra savings I can get a Auburn lsd also. Install price was about same as other shops. Also the warranty was better for G2 10 years, Nitro 2 years.
     
  14. Oct 27, 2016 at 8:51 AM
    #14
    dirtydeeds

    dirtydeeds New Member Vendor

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    The nitro price includes shims and bearings, which you will have to try and source locally if you buy the g2.

    And I can do better than that on the nitro stuff;)
     
  15. Oct 27, 2016 at 8:51 AM
    #15
    dirtydeeds

    dirtydeeds New Member Vendor

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    Give a call. 760-877-4234
     
  16. Oct 27, 2016 at 9:45 AM
    #16
    zcarpenter92

    zcarpenter92 Yotas, Coronas and 'Merica

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    Does anyone make 4.56 gears for a Tundra? I haven't been able to find any other than 4.88s
     
  17. Oct 27, 2016 at 9:53 AM
    #17
    dirtydeeds

    dirtydeeds New Member Vendor

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    On a 5.7 only 4.88's are available. And only from nitro or g2

    There are rumors that g2 is going to develop 5.14's. and I encourage people to call them requesting that.

    4.88 brings your ratio 'back to stock' numerically with 35's. but it doesn't compensate for the extra weight. And why would you want to spend a couple grand to go 'back to stock'?

    If I had 35's (I could I just choose not to) I would want to run 5.14's. since 5.14 doesn't exist I run 33's with 4.88;)
     
  18. Oct 27, 2016 at 11:15 AM
    #18
    louscrw

    louscrw all jacked up on Mt. Dew

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    ... I should've never told the accountant I was just about down with the truck. Now, I want 4.88s. Guess I'll justify it with "it'll pull the boat better" Thanks guys. Stupid tundras.com haha
     
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  19. Oct 27, 2016 at 12:48 PM
    #19
    dirtydeeds

    dirtydeeds New Member Vendor

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    It'll tow the boat better, get better fuel economy, the driveline will last long and need less service. And the truck will be safer;)
     
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  20. Oct 27, 2016 at 1:02 PM
    #20
    louscrw

    louscrw all jacked up on Mt. Dew

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    thanks Keith. Curious, what's a ballpark estimate on how much an install would be on 2wd?
     
  21. Oct 27, 2016 at 6:22 PM
    #21
    dirtydeeds

    dirtydeeds New Member Vendor

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    labor is $600, that includes fluid etc. and I do the 3 break in heat cycles
     
  22. Oct 27, 2016 at 6:26 PM
    #22
    louscrw

    louscrw all jacked up on Mt. Dew

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    Well, considering I'm 2,194 miles from your shop, I don't think I could come there...I was curious so if I shop labor around here, I'd have an idea of what to expect
     
  23. Oct 27, 2016 at 6:29 PM
    #23
    dirtydeeds

    dirtydeeds New Member Vendor

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    all good:) The internet allows me to help people from around the world:)

    Pricing here is probably some of the most expensive around the world, so now you know worse case scenario.
     
  24. Oct 27, 2016 at 6:33 PM
    #24
    louscrw

    louscrw all jacked up on Mt. Dew

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    Well, unfortunately, I live in a military town, so pricing may not be much better. People are great and very appreciative of our service; however, the automotive industry (dealers, mechanics, etc) love to price gouge the shit out of us bc the town is full of young airman with money in their pockets...and for alot of them, it's the first real job they've ever had, so money burns big holes in their pockets
     
  25. Dec 27, 2016 at 9:16 PM
    #25
    16plat

    16plat New Member

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    I've searched and read this thread so I understand that since I'm running 37's I need to get 4.88's - my question is, if I don't ever tow anything is it really worth it to drop a couple grand into new gears? Am I damaging anything
     
  26. Dec 28, 2016 at 9:58 AM
    #26
    dirtydeeds

    dirtydeeds New Member Vendor

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    main reason for gearing is to keep your transmission in its gear more of the time. Without 4.88's your truck is constantly shifting from 6th to 5th, back n forth for no reason. Gearing keeps the tq converter locked up more of the time and keeps the truck in the same gear more of the time. This saves wear on the transmission and saves fuel. And makes the truck more fun to drive,
     
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  27. Dec 28, 2016 at 10:41 AM
    #27
    14burrito

    14burrito New Member

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    I always recommend people to regear. Keith mentioned many many benefits. In my opinion the greatest Plus is reduced Driveline stress, torque delivered at a lower RPM which is useful for just about everything in the truck and in my opinion the slight increase in fuel economy.

    Yes you might have a higher engine RPM but it's all about the engine load. Just because you're turning on a higher engine RPM that does not directly correlate to a decrease in fuel economy because the engine might and probably will be working less.

    I would love to have extra coins sitting around your gear in my four wheel drive.
     
  28. Dec 28, 2016 at 10:52 AM
    #28
    16plat

    16plat New Member

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    Thanks for the responses. I probably won't have the money to regear for 6-7 months so hopefully nothing major will be affected
     
  29. Dec 31, 2016 at 3:41 AM
    #29
    andy9743

    andy9743 New Member

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    Bought my gears from @dirtydeeds added 37 mickey thompson atzp3 yeaterday. Cant wait to get the gears on.

    I regeared my v10 excursion when i lifted and put 37s on and it was a night a day difference. Night and day. Seems like the tundra still has some pep even after the 37s but i plan to tow etc with the truck. My plan is regear and install the hypertech i have in the garage.
     
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